Karabin/Shutterstock Save for later Print Download Share LinkedIn Twitter Nuclear power is emerging as a popular candidate for combatting climate change, but its heavy reliance on water for safety and cooling is exposing key vulnerabilities, particularly in areas where drought and scorching summer temperatures pose major risks. The issue is nothing new but it came to the fore again this summer when French reactors had to dial back operations in the face of a major heat wave that led to temperature rises in rivers used for cooling water.